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2e0090af65
Summary: Some architectures, in this case powerpc64, need explicit synchronization barriers vs device accesses. Prior to this change, when running 'make buildworld -j72' on a 18-core (72-thread) POWER9, I would see controller resets often. With this change, I don't see these resets messages, though another tester still does, for yet to be determined reasons, so this may not be a complete fix. Additionally, I see a ~5-10% speed up in buildworld times, likely due to not needing to reset the controller. Reviewed By: jimharris Differential Revision: https://reviews.freebsd.org/D16570 |
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| .. | ||
| nvme.c | ||
| nvme.h | ||
| nvme_ctrlr.c | ||
| nvme_ctrlr_cmd.c | ||
| nvme_ns.c | ||
| nvme_ns_cmd.c | ||
| nvme_private.h | ||
| nvme_qpair.c | ||
| nvme_sim.c | ||
| nvme_sysctl.c | ||
| nvme_test.c | ||
| nvme_util.c | ||